244
CDUS45 KRIW 150728
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT SAT AUG 15 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR AUGUST 14 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 78 3:42 PM 102 2003 90 -12 95
MINIMUM 60 11:59 PM 46 2023 57 3 63
AVERAGE 69 73 -4 79
PRECIPITATION (IN)
YESTERDAY 0.08 0.62 2022 0.00 0.08 0.03
MONTH TO DATE 0.08 0.07 0.01 0.12
SINCE JUN 1 0.82 1.31 -0.49 1.44
SINCE JAN 1 2.24 3.66 -1.42 4.15
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 1 0 1 0
SINCE JUN 1 45 66 -21 46
SINCE JUL 1 1 4 -3 0
COOLING
YESTERDAY 4 8 -4 14
MONTH TO DATE 127 136 -9 127
SINCE JUN 1 627 567 60 567
SINCE JAN 1 673 591 82 588
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WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 6.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 3:00 AM
LOWEST 43 3:00 PM
AVERAGE 70
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THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 101 2015
MINIMUM TEMPERATURE (F) 57 46 2005
SUNRISE AND SUNSET
AUGUST 15 2026........SUNRISE 6:15 AM MDT SUNSET 8:17 PM MDT
AUGUST 16 2026........SUNRISE 6:16 AM MDT SUNSET 8:16 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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